Static Pressure Calculator for Exhaust Fans Estimate required external static pressure (in. w.g.) using airflow, duct geometry, fittings, hood losses, filter losses, and safety factor. Airflow (CFM) Straight Duct Length (ft) Round Duct Diameter (in) Duct Material Galvanized Steel (baseline)Aluminum…
Dust Collection Static Pressure Calculator Estimate total static pressure in inches water gauge so you can size blowers, compare duct options, and reduce energy waste. Airflow (CFM) Straight Duct Length (ft) Duct Diameter (in) Duct Material Galvanized Steel (standard roughness)Smooth…
Statistics Calculator Calculate Standard Deviations Away From the Mean Instantly find how many standard deviations a value sits above or below the mean using an elegant z-score calculator, visual interpretation, and a live chart. Calculator Inputs Enter a value, the…
Static Pressure Calculator for Exhaust Fans Estimate total external static pressure (TESP) using airflow, duct geometry, fittings, and component losses. Built for fast pre-design checks and field validation support. Airflow and Duct Inputs Airflow (CFM) Round Duct Diameter (inches) Straight…
Static Pressure Calculator for Dust Collector Systems Estimate total system static pressure (in. w.g.) using duct geometry, fittings, filter losses, and density correction for altitude Airflow (CFM) Main Duct Diameter (in) Total Straight Duct Length (ft) Duct Type (Friction Factor…
Engineering Toolbox Static Pressure Calculator for Duct and Airflow Systems Estimate total static pressure requirement using friction, fittings, and elevation effects. Designed for HVAC engineers, commissioning teams, and mechanical designers. Air Density (kg/m³) Air Velocity (m/s) Optional Airflow Rate Q…
Statistical Calculator Calculate Standard Deviation Without Mean Use the computational formula to find population or sample standard deviation directly from your raw values. Enter data once, and this calculator will derive the mean internally, compute variance, and visualize the spread…
Static Pressure Dust Collection Calculator Estimate total static pressure (in. w.g.) for a dust collection branch line, including duct friction, fitting losses, filter resistance, cyclone drop, and a safety margin for real-world performance. Airflow (CFM) Duct Diameter (inches) Straight Duct…
Static Pressure Drop Calculator for Ductwork Estimate friction and fitting losses using airflow, duct geometry, roughness, and fitting counts. Results are shown in Pa and inches of water column. Airflow (CFM) Straight Duct Length (ft) Duct Shape CircularRectangular Duct Material…
Static and Dynamic Pressure Calculator Estimate static pressure, dynamic pressure, and total (stagnation) pressure for air, water, or custom fluid density. Fluid Type Air (1.225 kg/m³)Water (998 kg/m³)Custom Density Fluid Density (kg/m³) Static Pressure Static Pressure Unit PakPabarpsi Flow Velocity…